/Engine/Source/Editor/UnrealEd/Public/WorkflowOrientedApp/WorkflowTabManager.h
Adds history data to immediately after the current location in the history list, wiping out any history after in the process
void AddTabHistory ( [TSharedPtr](API\Runtime\Core\Templates\TSharedPtr)< struct [FGenericTabHistory](API\Editor\UnrealEd\WorkflowOrientedApp\FGenericTabHistory) > InHistoryNode, bool bInSaveHistory )